Home / 1,781,163.03-2,665,437.75-1,107,561.54

Finding the Fourth Proportional to 1,781,163.03, 2,665,437.75 and 1,107,561.54

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Solution

The fourth proportional to 1,781,163.03, 2,665,437.75 and 1,107,561.54 is: 1,657,420.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,163.03 : 2,665,437.75 = 1,107,561.54 : x
  2. Step 2: Convert to fraction form
    1,781,163.03/2,665,437.75 = 1,107,561.54/x
  3. Step 3: Cross multiply
    1,781,163.03x = 2,665,437.75 × 1,107,561.54
  4. Step 4: Simplify right side
    1,781,163.03x = 2,952,136,339,164.14
  5. Step 5: Solve for x
    x = 2,952,136,339,164.14/1,781,163.03
  6. Step 6: Final answer
    x = 1,657,420.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.